Home / 87,568.03-120,844.02-49,842.28

Finding the Fourth Proportional to 87,568.03, 120,844.02 and 49,842.28

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Solution

The fourth proportional to 87,568.03, 120,844.02 and 49,842.28 is: 68,782.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,568.03 : 120,844.02 = 49,842.28 : x
  2. Step 2: Convert to fraction form
    87,568.03/120,844.02 = 49,842.28/x
  3. Step 3: Cross multiply
    87,568.03x = 120,844.02 × 49,842.28
  4. Step 4: Simplify right side
    87,568.03x = 6,023,141,538.77
  5. Step 5: Solve for x
    x = 6,023,141,538.77/87,568.03
  6. Step 6: Final answer
    x = 68,782.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.